561094654072319 has 16 divisors (see below), whose sum is σ = 603841250257920. Its totient is φ = 519430442549760.

The previous prime is 561094654072273. The next prime is 561094654072327. The reversal of 561094654072319 is 913270456490165.

It is a cyclic number.

It is not a de Polignac number, because 561094654072319 - 2⁴⁴ = 543502468027903 is a prime.

It is a super-2 number, since 2×561094654072319² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561094654072019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613917122 + ... + 614830400.

It is an arithmetic number, because the mean of its divisors is an integer number (37740078141120).

Almost surely, 2^{561094654072319} is an apocalyptic number.

561094654072319 is a deficient number, since it is larger than the sum of its proper divisors (42746596185601).

561094654072319 is a wasteful number, since it uses less digits than its factorization.

561094654072319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505810.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 561094654072319 in words is "five hundred sixty-one trillion, ninety-four billion, six hundred fifty-four million, seventy-two thousand, three hundred nineteen".